55209496 has 8 divisors (see below), whose sum is σ = 103517820. Its totient is φ = 27604744.

The previous prime is 55209491. The next prime is 55209503. The reversal of 55209496 is 69490255.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55209491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3450586 + ... + 3450601.

Almost surely, 2^55209496 is an apocalyptic number.

It is an amenable number.

55209496 is a deficient number, since it is larger than the sum of its proper divisors (48308324).

55209496 is a wasteful number, since it uses less digits than its factorization.

55209496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6901193 (or 6901189 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 40.

The square root of 55209496 is about 7430.3092802386. The cubic root of 55209496 is about 380.7774848103. Note that the first 3 decimals are identical.

The spelling of 55209496 in words is "fifty-five million, two hundred nine thousand, four hundred ninety-six".